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Analysis
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max time kernel
144s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20231025-en -
resource tags
arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system -
submitted
26/11/2023, 00:13
Static task
static1
Behavioral task
behavioral1
Sample
23d0a8d379727169a139c88f852ed65d97ba3cb3b14eb377449c64784045513f.exe
Resource
win7-20231025-en
Behavioral task
behavioral2
Sample
23d0a8d379727169a139c88f852ed65d97ba3cb3b14eb377449c64784045513f.exe
Resource
win10v2004-20231025-en
General
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Target
23d0a8d379727169a139c88f852ed65d97ba3cb3b14eb377449c64784045513f.exe
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Size
4.0MB
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MD5
41514d4e67f685603cfb7604c774c4d9
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SHA1
ac923a47368b8f978ad3a52826aa0fd3f3972ec4
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SHA256
23d0a8d379727169a139c88f852ed65d97ba3cb3b14eb377449c64784045513f
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SHA512
fcaa975c387b85d047d615aa905ddbc2d2d997690551a4c81267d46c616f29a2d8b7b4068e9773d391250ef85b45bd2e27b1a537e298f9c94a7c81aa87d81537
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SSDEEP
98304:NdL9xWLs1Esvx3VRy2XOwnqoQyVHXoblgL74+7e:3zwM5S2X9qM3oqLU+7e
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
pid Process 3184 is-OIBRT.tmp 2728 ZxingPDF.exe 4540 ZxingPDF.exe -
Loads dropped DLL 1 IoCs
pid Process 3184 is-OIBRT.tmp -
Unexpected DNS network traffic destination 3 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 51.159.66.125 Destination IP 151.80.38.159 Destination IP 217.23.6.51 -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in Program Files directory 28 IoCs
description ioc Process File created C:\Program Files (x86)\ZxingPDF\Lang\is-VC224.tmp is-OIBRT.tmp File created C:\Program Files (x86)\ZxingPDF\Plugins\is-K1SBS.tmp is-OIBRT.tmp File created C:\Program Files (x86)\ZxingPDF\Plugins\is-91F56.tmp is-OIBRT.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-OBKA8.tmp is-OIBRT.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-4B61D.tmp is-OIBRT.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-H3E42.tmp is-OIBRT.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-M4OE7.tmp is-OIBRT.tmp File created C:\Program Files (x86)\ZxingPDF\Help\is-EDJNP.tmp is-OIBRT.tmp File opened for modification C:\Program Files (x86)\ZxingPDF\ZxingPDF.exe is-OIBRT.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-5FC1H.tmp is-OIBRT.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-LKNNI.tmp is-OIBRT.tmp File created C:\Program Files (x86)\ZxingPDF\Plugins\is-8GUMU.tmp is-OIBRT.tmp File opened for modification C:\Program Files (x86)\ZxingPDF\unins000.dat is-OIBRT.tmp File created C:\Program Files (x86)\ZxingPDF\is-JK2LC.tmp is-OIBRT.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-67R3L.tmp is-OIBRT.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-T89JF.tmp is-OIBRT.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-6V7DQ.tmp is-OIBRT.tmp File created C:\Program Files (x86)\ZxingPDF\Online\is-3HN9O.tmp is-OIBRT.tmp File created C:\Program Files (x86)\ZxingPDF\Online\is-6L26N.tmp is-OIBRT.tmp File created C:\Program Files (x86)\ZxingPDF\Plugins\is-DNQEA.tmp is-OIBRT.tmp File created C:\Program Files (x86)\ZxingPDF\is-4C81R.tmp is-OIBRT.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-RUT35.tmp is-OIBRT.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-B541K.tmp is-OIBRT.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-BIJKO.tmp is-OIBRT.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-4UT8H.tmp is-OIBRT.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-RLRNP.tmp is-OIBRT.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-COGAQ.tmp is-OIBRT.tmp File created C:\Program Files (x86)\ZxingPDF\unins000.dat is-OIBRT.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2988 wrote to memory of 3184 2988 23d0a8d379727169a139c88f852ed65d97ba3cb3b14eb377449c64784045513f.exe 86 PID 2988 wrote to memory of 3184 2988 23d0a8d379727169a139c88f852ed65d97ba3cb3b14eb377449c64784045513f.exe 86 PID 2988 wrote to memory of 3184 2988 23d0a8d379727169a139c88f852ed65d97ba3cb3b14eb377449c64784045513f.exe 86 PID 3184 wrote to memory of 2660 3184 is-OIBRT.tmp 88 PID 3184 wrote to memory of 2660 3184 is-OIBRT.tmp 88 PID 3184 wrote to memory of 2660 3184 is-OIBRT.tmp 88 PID 3184 wrote to memory of 2728 3184 is-OIBRT.tmp 90 PID 3184 wrote to memory of 2728 3184 is-OIBRT.tmp 90 PID 3184 wrote to memory of 2728 3184 is-OIBRT.tmp 90 PID 3184 wrote to memory of 4540 3184 is-OIBRT.tmp 91 PID 3184 wrote to memory of 4540 3184 is-OIBRT.tmp 91 PID 3184 wrote to memory of 4540 3184 is-OIBRT.tmp 91
Processes
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C:\Users\Admin\AppData\Local\Temp\23d0a8d379727169a139c88f852ed65d97ba3cb3b14eb377449c64784045513f.exe"C:\Users\Admin\AppData\Local\Temp\23d0a8d379727169a139c88f852ed65d97ba3cb3b14eb377449c64784045513f.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2988 -
C:\Users\Admin\AppData\Local\Temp\is-U9B8J.tmp\is-OIBRT.tmp"C:\Users\Admin\AppData\Local\Temp\is-U9B8J.tmp\is-OIBRT.tmp" /SL4 $701C2 "C:\Users\Admin\AppData\Local\Temp\23d0a8d379727169a139c88f852ed65d97ba3cb3b14eb377449c64784045513f.exe" 3876134 2421762⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:3184 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Query3⤵PID:2660
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C:\Program Files (x86)\ZxingPDF\ZxingPDF.exe"C:\Program Files (x86)\ZxingPDF\ZxingPDF.exe" -i3⤵
- Executes dropped EXE
PID:2728
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C:\Program Files (x86)\ZxingPDF\ZxingPDF.exe"C:\Program Files (x86)\ZxingPDF\ZxingPDF.exe" -s3⤵
- Executes dropped EXE
PID:4540
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.0MB
MD5330c3f73c995dbc18c9211269fc579ee
SHA132596c55cfc47c80a8c21dbb28538836cecec40d
SHA256c558e1a93895386068de911f2f92b9e7680b7e3b3649894ccae8f7b12d56849d
SHA51213e095500ad5a57637a7d53ca88deae73921388a0959298fbb8a127f08bec7b108d00405063e6138d1b572b19da9a16ee48564a6ed43880f2a83bdb5428756ca
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Filesize
2.0MB
MD5330c3f73c995dbc18c9211269fc579ee
SHA132596c55cfc47c80a8c21dbb28538836cecec40d
SHA256c558e1a93895386068de911f2f92b9e7680b7e3b3649894ccae8f7b12d56849d
SHA51213e095500ad5a57637a7d53ca88deae73921388a0959298fbb8a127f08bec7b108d00405063e6138d1b572b19da9a16ee48564a6ed43880f2a83bdb5428756ca
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Filesize
2.0MB
MD5330c3f73c995dbc18c9211269fc579ee
SHA132596c55cfc47c80a8c21dbb28538836cecec40d
SHA256c558e1a93895386068de911f2f92b9e7680b7e3b3649894ccae8f7b12d56849d
SHA51213e095500ad5a57637a7d53ca88deae73921388a0959298fbb8a127f08bec7b108d00405063e6138d1b572b19da9a16ee48564a6ed43880f2a83bdb5428756ca
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
643KB
MD5a991510c12f20ccf8a5231a32a7958c3
SHA1122724d1a4fdea39af3aa427e4941158d7e91dfa
SHA2560c3ab280e156e9ff6a325267bc5d721f71dcb12490a53a03a033d932272f9198
SHA5128f387a6189f6fa51f84004706589ed1706dfd08dfc38c1f8ce3ce010f37efac085fd241396ab69bc25c86174a4637492163bf3cb26f88639551dc9fa0c52eafa
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Filesize
643KB
MD5a991510c12f20ccf8a5231a32a7958c3
SHA1122724d1a4fdea39af3aa427e4941158d7e91dfa
SHA2560c3ab280e156e9ff6a325267bc5d721f71dcb12490a53a03a033d932272f9198
SHA5128f387a6189f6fa51f84004706589ed1706dfd08dfc38c1f8ce3ce010f37efac085fd241396ab69bc25c86174a4637492163bf3cb26f88639551dc9fa0c52eafa